USB Hub & External Monitors Not Working After MacOS Sonoma 14.4 Update – How to fix it

Mac users are facing an issue that USB-C hubs and external monitors are no longer working with their Mac after updating to macOS Sonoma 14.4. The problem can be associated with keyboards, mice, external displays, SD card readers, cameras, external hard drives, and storage devices.

Steps to Change Accessories Connection Settings in MacOS

  1. Go to “System Settings” in macOS Sonoma,
  2. Next, navigate to “Privacy & Security”
  3. Search for “Allow accessories to connect”
  4. Select the ‘Ask Every Time’ from the dropdown list.
  5. Now, you have to disconnect all USB-C hubs and devices connected to the Mac
  6. Restart the Mac by choosing “Restart”
  7. Reconnect the USB-C hub and/or external displays and accessories
  8. Finally, you must agree to “Allow” the connection of that device to the Mac.
“Allow” the connection of that device to the Mac

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